Nvidia Jetson Orin NX - Chapter 8. Gigabit Ethernet; Figure 8-1. Jetson Orin NX Ethernet Connections; Table 8-1. Jetson Orin NX Gigabit Ethernet Pin Descriptions

PRELIMINARY INFORMATION
NVIDIA Jetson Orin NX DG-10931-001_v0.1 | 37
Chapter 8. Gigabit Ethernet
Jetson Orin NX integrates a Gigabit Ethernet PHY. The magnetics and RJ45 connector are
implemented on the carrier board.
Table 8-1. Jetson Orin NX Gigabit Ethernet Pin Descriptions
Pin #
Module Pin
Name
Orin Signal Usage and Description
Recommended
Usage
Direction Pin Type
194 GBE_LED_ACT − Ethernet Activity LED (Yellow)
LAN
Output
188
GBE_LED_LIN
K
−
Ethernet Link LED (Green)
Output
184 GBE_MDI0_N −
GbE Transformer Data 0
Bidir MDI
186 GBE_MDI0_P −
190 GBE_MDI1_N −
GbE Transformer Data 1
192 GBE_MDI1_P −
196 GBE_MDI2_N −
GbE Transformer Data 2
198 GBE_MDI2_P −
202 GBE_MDI3_N −
GbE Transformer Data 3
204 GBE_MDI3_P −
Notes: In the Direction column, Output is from Jetson Orin NX. Input is to Jetson Orin NX. Bidir is for Bidirectional signals.
Figure 8-1. Jetson Orin NX Ethernet Connections
Jetson
SoC
GBE_MDI0_P
GBE_MDI0_N
GBE_MDI1_P
GBE_MDI1_N
GBE_MDI2_P
GBE_MDI2_N
GBE_MDI3_P
GBE_MDI3_N
GBE_LED_ACT
GBE_LED_LINK
To M agnetics/
RJ45 Connector
186
184
192
190
198
196
204
202
194
188
UPHY2
GbE
PHY
SF_PCIE8_CLK_N
SF_PCIE8_CLK_P
HS_UPHY 2_L3_RX_N
HS_UPHY 2_L3_RX_P
HS_UPHY 2_L3_T X_ N
HS_UPHY 2_L3_T X_ P
GP189_PCIE8_CLKREQ_N
GP190_PCIE8_RST_N
3.3V
4.7kΩ
47kΩ
GP185_PCIE_WAKE_N
47kΩ